The truth table for a logic gate is shown. A
B
output

0 0 1 1 0 0 0 1 0 O 1 1

choose the correct gate.

AND
NOR
NOT
OR

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Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?

Which is special about a dc circuit ? a. it has both series and parallel components b. it has only series or only parallel components c. charge moves in a single direction d. charge moves back and forth quickly